Coleorhiza is

Coleorhiza of Maize grain lies adjacent to

Coleorhiza and coleoptile are the structures associated with the embryo of

Match the following
$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \left(a\right)& \text{Coleorhiza}& \left(i\right)& \text{Development of sporophyte directly from gametophyte without intervention of gametes}\\ \left(b\right)& \text{Apogamy}& \left(ii\right)& \text{Development of gametophyte directly from sporophyte without the involvement of reduction division}\\ \left(c\right)& \text{Indusim}& \left(iii\right)& \text{An unbranched columnar stem with a crown of leaves}\\ \left(d\right)& \text{Caudex}& \left(iv\right)& \text{Protective covering of radicle}\\ & & \left(v\right)& \text{Protective structure of a sorus}\end{array}$

What is coleorhiza?

Mention the function of (a) Zona pellucida (b) Coleorhiza

Coleoptile & coleorhiza are _______ structures because they are developed from _______

Coleoptile and coleorhiza are the protective sheats covering labelled part_____and_____respectively.

Coleoptile and coleorhiza are protective coverings in Maize grain. Which is true ?

Differentiate between:
(a) Hypocotyl and epicotyl,
(b) Coleoptile and coleorhiza,
(c) Integument and testa,
(d) Perisperm and pericarp.

If the number of chromosomes in the secondary nucleus of Zea maize is 20, what will be the number of chromosomes in PEC, polar nuclei, coleorhiza and aleurone layer respectively?